42052111 has 8 divisors (see below), whose sum is σ = 44336880. Its totient is φ = 39774528.

The previous prime is 42052079. The next prime is 42052147. The reversal of 42052111 is 11125024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42052111 - 2⁵ = 42052079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13755 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (5542110).

Almost surely, 2^42052111 is an apocalyptic number.

42052111 is a deficient number, since it is larger than the sum of its proper divisors (2284769).

42052111 is a wasteful number, since it uses less digits than its factorization.

42052111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 42052111 is about 6484.7599030342. The cubic root of 42052111 is about 347.7463663622.

Adding to 42052111 its reverse (11125024), we get a palindrome (53177135).

The spelling of 42052111 in words is "forty-two million, fifty-two thousand, one hundred eleven".